kern/107315: Loading gmirror causes 'Fatal double trap'

[Geoffrey Giesemann]

The following reply was made to PR kern/107315; it has been noted by GNATS.

From: Geoffrey Giesemann <geoffwa at cs.rmit.edu.au>
To: Remko Lodder <remko at elvandar.org>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/107315: Loading gmirror causes 'Fatal double trap'
Date: Sat, 30 Dec 2006 03:10:30 +1100

 On Fri, Dec 29, 2006 at 04:33:59PM +0100, Remko Lodder wrote:
 > On Fri, Dec 29, 2006 at 11:58:55AM +0000, Geoffrey Giesemann wrote:
 > > Upon issuing 'gmirror load' I get:
 > > 
 > > GEOM_MIRROR: <blah>
 > > GEOM_MIRROR: Device /dev/ad4 activated
 > > GEOM_MIRROR: Device /dev/ad6 activated
 > > 
 > > (slight pause)
 > > 
 > > Fatal double trap:
 > > eip = 0xc4f36fed
 > > esp = 0xe35d4ff4
 > > ebp = 0xe35d5030
 > > cpuid = 0; apic id 03
 > > 
 > > Previous to this I have created a gmirror across 250GB HDDs hanging
 > > off a Silicon Image 3112 controller. It's an SMP box with an SMP
 > > kernel, and the problem is reproducible.
 > > 
 > > 
 > 
 > Hello, you seem to lack a lot of information :( can you try to obtain
 > a core dump as described in the developers-handbook?
 > (http://www.freebsd.org/doc/en/books/developers-handbook/)
 > 
 
 I have dumpdev set in rc.conf, but I don't get a dump. I'm guessing the
 crash isn't a normal kernel panic (the whole box freezes up rather than
 rebooting).
 
 I'll throw more compilation options at the system and see what happens.
 
 --Geoff